Survey sampling and estimation methods form the cornerstone of modern statistical inference, underpinning research across the social, medical, and natural sciences. At their heart, these methods ...

The Journal of Geo-information Science recently published an online article on research led by researcher Lianfa Li and researcher Xiaomei Yang (Institute of Geographic Sciences and Natural Resources ...

The World Health Organization (WHO) warns that air pollution is of great concern and impacts health in many ways. To better the situation, it’s necessary to focus on air quality. However, when ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

A salt marsh harvest mouse walks across the bulrush at Grizzly Island Wildlife Area in San Francisco. (Cody Aylward/UC Davis) From species of marmots to moles, shrews and mice, many of the world’s ...

If we want to take samples of some analog waveform, as in doing analog to digital conversions at some particular conversion rate, there is an absolute lower limit to the rate of doing conversions ...

Most programs will utilize a sampling method to obtain student work – especially when using the method of course-embedded assessment. Sampling is used to keep the assessment process manageable when ...